Ecom Communications Technology Co., Ltd.

Any device whose MAC address begins with 00:13:B3 has a network interface built by Ecom Communications Technology Co., Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:13:B3

Organization

Ecom Communications Technology Co., Ltd.

Address

Floor 7, Machinery Industry Building, No.22, Beijing CN

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.